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myrdok123

07. Area of Figures

May 18th, 2024
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Java 1.26 KB | None | 0 0
  1. package ConditionalStatements;
  2.  
  3. import java.util.Scanner;
  4.  
  5. public class AreaOfFigures_07 {
  6.  
  7.     public static void main(String[] args) {
  8.         Scanner scanner = new Scanner(System.in);
  9.  
  10.         String figure = scanner.nextLine();
  11.  
  12.         //проверяваме каква е фигурата
  13.         //square, rectangle, circle или triangle
  14.         // %s - String, %d - int, %f - double, %c - char, %n or \n - new line
  15.  
  16.         double area = 0;
  17.  
  18.         if(figure.equals("square")){
  19.             double side = Double.parseDouble(scanner.nextLine());
  20.              area = side * side;
  21.         } else if (figure.equals("rectangle")) {
  22.             double sideA = Double.parseDouble(scanner.nextLine());
  23.             double sideB = Double.parseDouble(scanner.nextLine());
  24.              area = sideA * sideB;
  25.         } else if (figure.equals("circle")) {
  26.             double radius = Double.parseDouble(scanner.nextLine());
  27.              area = radius * radius * Math.PI;
  28.         } else if (figure.equals("triangle")) {
  29.             double side = Double.parseDouble(scanner.nextLine());
  30.             double height = Double.parseDouble(scanner.nextLine());
  31.             area = (side * height) / 2;
  32.         }
  33.  
  34.         System.out.printf("%.3f", area);
  35.     }
  36. }
  37.  
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